Details

Time bar (total: 10.6s)

sample65.0ms

Algorithm
intervals
Results
24.0ms83×body1280valid
14.0ms74×body10240exit
7.0ms42×body640valid
3.0ms87×body80valid
3.0ms24×body320valid
2.0ms20×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
057
177
287
done87

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.9b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (exp x) (- (exp x) 1.0))
5.8b
(- (exp x) 1.0)

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
add-exp-log fma-neg associate-/l*
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num div-inv
Counts
2 → 67
Calls
2 calls:
49.0ms
(/ (exp x) (- (exp x) 1.0))
25.0ms
(- (exp x) 1.0)

series64.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ (exp x) (- (exp x) 1.0))
16.0ms
(- (exp x) 1.0)

simplify868.0ms

Counts
73 → 73
Iterations

Useful iterations: done (864.0ms)

IterNodesCost
0117900
1254793
2896708
done5000690

prune275.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 1 expressions with local error:

0.1b
(fma 1/12 x (/ 1 x))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
0.0ms
(fma 1/12 x (/ 1 x))

series76.0ms

Counts
1 → 3
Calls
1 calls:
76.0ms
(fma 1/12 x (/ 1 x))

simplify1.6s

Counts
13 → 13
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
016108
124105
27093
328093
4137093
done500093

prune45.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (fma 1/12 x (/ 1 x)))
0.1b
(fma 1/12 x (/ 1 x))
0.1b
(fma 1/12 x (/ 1 x))
0.2b
(* (sqrt (fma 1/12 x (/ 1 x))) (sqrt (fma 1/12 x (/ 1 x))))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
21×sqrt-prod
20×pow1
13×add-cube-cbrt *-un-lft-identity
sqrt-pow1 pow1/2
swap-sqr
add-exp-log associate-*r* associate-*l* add-cbrt-cube
pow-prod-up
expm1-log1p-u log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr
fma-udef
pow2 rem-sqrt-square pow-plus sqrt-unprod prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 86
Calls
4 calls:
1.0ms
(sqrt (fma 1/12 x (/ 1 x)))
0.0ms
(fma 1/12 x (/ 1 x))
0.0ms
(fma 1/12 x (/ 1 x))
18.0ms
(* (sqrt (fma 1/12 x (/ 1 x))) (sqrt (fma 1/12 x (/ 1 x))))

series227.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(sqrt (fma 1/12 x (/ 1 x)))
73.0ms
(fma 1/12 x (/ 1 x))
59.0ms
(fma 1/12 x (/ 1 x))
51.0ms
(* (sqrt (fma 1/12 x (/ 1 x))) (sqrt (fma 1/12 x (/ 1 x))))

simplify1.3s

Counts
98 → 98
Iterations

Useful iterations: done (1.3s)

IterNodesCost
0801388
1178937
2902827
done5000804

prune282.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma 1/12 x (/ 1 x))
0.1b
(fma 1/12 x (/ 1 x))
0.1b
(* (pow (sqrt (sqrt (fma 1/12 x (/ 1 x)))) 3) (sqrt (sqrt (fma 1/12 x (/ 1 x)))))
0.3b
(pow (sqrt (sqrt (fma 1/12 x (/ 1 x)))) 3)

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
87×sqrt-prod
66×add-sqr-sqrt
27×unpow-prod-down cube-prod
24×associate-*l* unswap-sqr
21×add-cube-cbrt *-un-lft-identity
10×add-exp-log
associate-*r*
pow1
add-cbrt-cube
pow-pow sqr-pow
expm1-log1p-u sqrt-pow1 log1p-expm1-u add-log-exp
pow-unpow prod-exp
cube-mult pow-to-exp pow1/2 unpow3 pow-exp fma-udef
pow-plus *-commutative pow-prod-up sqrt-pow2 cbrt-unprod rem-cube-cbrt
Counts
4 → 135
Calls
4 calls:
1.0ms
(fma 1/12 x (/ 1 x))
1.0ms
(fma 1/12 x (/ 1 x))
59.0ms
(* (pow (sqrt (sqrt (fma 1/12 x (/ 1 x)))) 3) (sqrt (sqrt (fma 1/12 x (/ 1 x)))))
17.0ms
(pow (sqrt (sqrt (fma 1/12 x (/ 1 x)))) 3)

series395.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(fma 1/12 x (/ 1 x))
56.0ms
(fma 1/12 x (/ 1 x))
64.0ms
(* (pow (sqrt (sqrt (fma 1/12 x (/ 1 x)))) 3) (sqrt (sqrt (fma 1/12 x (/ 1 x)))))
213.0ms
(pow (sqrt (sqrt (fma 1/12 x (/ 1 x)))) 3)

simplify1.6s

Counts
147 → 147
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01523080
14292265
219202119
done50011858

prune419.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.0b

regimes102.0ms

Accuracy

98.2% (0.4b remaining)

Error of 0.7b against oracle of 0.3b and baseline of 21.1b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01929
12429
done2429

end0.0ms

sample3.0s

Algorithm
intervals
Results
1.3s2503×body10240exit
737.0ms2290×body1280valid
412.0ms1663×body640valid
105.0ms2805×body80valid
105.0ms804×body320valid
41.0ms440×body160valid